Abstract
Programmed PWM techniques are some of the control methods used in voltage/current source converters. However, challenges are the task of defining and solving a set of nonlinear transcendental equations in order to obtain the switching angles. The paper presents an efficient Differential Evolution (DE) algorithm that significantly reduces the computational burden resulting in a fast convergence. The design procedure of a Programmed Pulse Width Modulation (PPWM) rectifier using Matlab/Simulink Blockset and code generation tools for Microchip dsPIC Digital Signal Controller (DSC) is also presented. The proposed approach follows the standard practice to utilize Matlab/ Simulink and related toolboxes as the design framework to develop a rapid prototype system in a reliable procedure. The design procedure uses Simulink model of the AC-DC converter system, drive circuitry, Matlab Real-Time Workshop, and Microchip MPLAB IDE development tools. The generated and self-developed codes on dsPIC 30F4013 are tested with the dsPICDEM 2 Development Board. The output rectifier waveform and spectrum results from simulation and experimental DSC PPWM are presented.
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